Interaction of lattice dislocations with the α-γ interphase interface in a stainless steel bicrystal

被引：3
|
作者：
Taisne, A
Decamps, B
Priester, L
机构：
[1] CNRS, Unite Propre Rech 209, Grp Labs Vitry Thiais, Lab Chim Met Terres Rares, F-94320 Thiais, France
[2] CNRS, Unite Propre Rech 2801, Grp Labs Vitry Thiais, Ctr Etud Chim Met, F-94407 Vitry Sur Seine, France
来源：
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES | 2002年 / 82卷 / 15期
关键词：
D O I：
10.1080/01418610210161594
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The elementary mechanisms of deformation under fatigue stress are analysed in a stainless steel bicrystal by transmission electron microscopy. Attention is paid to the interaction between lattice dislocations and a ferrite-austenite interface oriented very near the Kurdjumov-Sachs orientation relationship. Results differ according to whether the notch is located in the a phase or in the g phase. Only in the bicrystal notched in the a phase was transmission of dislocations across the interface into the gamma-phase observed. A possible correlation between the microscopic observations and the fatigue behaviour of the bicrystal is discussed.
引用
收藏
页码：2791 / 2804
页数：14
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